package plus; import com.fr.function.SWITCH; import com.fr.general.ComparatorUtils; import com.fr.script.Calculator; import com.fr.stable.Primitive; import com.fr.stable.UtilEvalError; import com.fr.stable.script.Node; public class SwitchExtension extends SWITCH { @Override public Object evalExpression(Node args) throws UtilEvalError { if (args.length < 2) { return Primitive.ERROR_NAME; } else { Calculator calculator = this.getCalculator(); Object cal = calculator.evalValue(args0]); int argsLength=args.length; for(int i = 1; i < (argsLength%2==0?argsLength-1:argsLength); i += 2) {//新增判断是否有默认值 Object var5 = calculator.evalValue(args); if (ComparatorUtils.equals(cal, var5) && i + 1 < args.length) { return calculator.eval(args1]); } } if(argsLength%2==0) { return calculator.eval(args1]);//无符合条件的结果情况下且有默认值则采用默认值 } return Primitive.NULL; } } }